Exhibit 21
Subsidiaries of Tetra Tech, Inc. | ||
NAME | JURISDICTION OF FORMATION | |
Advanced Management Technology, Inc. | Virginia | |
American Environmental Group, Ltd. | Ohio | |
America's Schoolhouse Consulting Services, Inc. | New York | |
ARD, Inc. | Vermont | |
Ardaman & Associates, Inc. | Florida | |
BIOCNG, LLC | New York | |
Coffey UK Limited | United Kingdom | |
Cornerstone Environmental Group, LLC | New York | |
Cosentini Associates, Inc. | New York | |
Delaney Crushed Stone Products, Inc. | New York | |
Foothills Indemnity, Inc. | Hawaii | |
Fort Point Associates, Inc. | Massachusetts | |
Glumac | California | |
Hydro-Ops LLC | Delaware | |
INDUS Corporation | Virginia | |
Integrated Justice Systems International, LLC | Delaware | |
Management Systems International, Inc. | District of Columbia | |
PRO-telligent, LLC | Delaware | |
Rooney Engineering, Inc. | Colorado | |
Tetra Tech Alaska, L.L.C. | Alaska | |
Tetra Tech Australia Pty Ltd | Australia | |
Tetra Tech BAS, Inc. | California | |
Tetra Tech Cape Canaveral, LLC | Florida | |
Tetra Tech CES, LLC | Washington | |
Tetra Tech Coffey Holding LLC | Delaware | |
Tetra Tech Coffey Holding Pty Limited | Australia | |
Tetra Tech Construction, Inc. | New York | |
Tetra Tech EC, Inc. | Delaware | |
Tetra Tech EMC, Inc. | California | |
Tetra Tech ES, Inc. | Delaware | |
Tetra Tech Executive Services, Inc. | California | |
Tetra Tech Expeditionary Operations, Inc. | Delaware | |
Tetra Tech Holding LLC | Delaware | |
Tetra Tech IC, Inc. | Alberta, Canada | |
Tetra Tech International, Inc. | Delaware | |
Tetra Tech MA, Inc. | Delaware | |
Tetra Tech MIMDU, LLC | Delaware | |
Tetra Tech New Martinsville, LLC | Delaware | |
Tetra Tech Technical Services, Inc. | Delaware | |
Tetra Tech Tesoro, Inc. | Virginia |
Exhibit 21
Whalen & Company, Inc. | Delaware | |
Whalen Service Corps Inc. | Delaware |